#安装开启semi半同步复制插件
docker exec -it mha_node0 /bin/bash /root/mha_share/scripts/mysql_install_semi-master.sh
#docker exec -it mha_node1 /bin/bash /root/mha_share/scripts/mysql_install_semi-master.sh
docker exec -it mha_node1 /bin/bash /root/mha_share/scripts/mysql_install_semi-slave.sh
docker exec -it mha_node2 /bin/bash /root/mha_share/scripts/mysql_install_semi-slave.sh